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Hacker101 is a free class for web security. Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.
TryHackMe | Cyber Security Training
TryHackMe is a free online platform for learning cyber security, using hands-on exercises and labs, all through your browser!
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Himanshu Sheoran deut-erium deuterium cryptography Capture The Flag CTF hacking cybersecurity SAT SMT solvers and computer science
How To Become A Hacker
What I would have liked to have read when starting out.
Sylvain Kerkour
(Ab)using technology for fun & profit. Author of Black Hat Rust, Cloudflare for Speed and Security and a few other Books.